lanashanabJHsbd8821 lanashanabJHsbd8821

04-06-2020
Mathematics

contestada

I am a three-digit number. My second digit is 4 times bigger than the third digit. My first digit is 3 less than my second digit. Who am I?

Respuesta :

maempress maempress

05-06-2020

Answer:

285

Step-by-step explanation:

use algebra

third is x

second is 4x

first is 4x-3

x+4x+4x-3

9x-3 = x+x+1+x+2

9x-3=3x+3

12x=6, divide x=2

third is 2, sec is 8, first is 5

Answer Link

Otras preguntas

which proportion could be used to express 18/20 as a percent

8. There are 9 girls and 6 boys in a classroom. Of these students, 1 girl and 2 boys write left-handed. What percentage of the students write left- handed? (6.5

line that passes through the points (2,4) and (12,-1),

Vous savez jouer ....... guitare?

y = –2x − 2 y = –3x − 8

**PLEASE HURRY** a. Do some research and find a city that has experienced population growth. Determine its population on January 1st of a certain year. Write an

Why had the U.S. been compelled to create a permanent armaments industry at the start of the Cold War?

Find the missing side length

5) Given that 13.3 cm is 15% of a certain length, what is the complete length?

I am really bad at math